[INFO] fetching crate virtual-buffer 1.0.3...
[INFO] testing virtual-buffer-1.0.3 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate virtual-buffer 1.0.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate virtual-buffer 1.0.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate virtual-buffer 1.0.3
[INFO] tweaked toml for crates.io crate virtual-buffer 1.0.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate virtual-buffer 1.0.3 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate virtual-buffer 1.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4182de3309212f92409b30ca263f8bd48e119d141e870eab020a29a15ca7ce63
[INFO] running `Command { std: "docker" "start" "-a" "4182de3309212f92409b30ca263f8bd48e119d141e870eab020a29a15ca7ce63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4182de3309212f92409b30ca263f8bd48e119d141e870eab020a29a15ca7ce63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4182de3309212f92409b30ca263f8bd48e119d141e870eab020a29a15ca7ce63", kill_on_drop: false }`
[INFO] [stdout] 4182de3309212f92409b30ca263f8bd48e119d141e870eab020a29a15ca7ce63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe96c83d6b35c86bdeb321678b6deb30c18b552407e2c000d1f1ec41169a214d
[INFO] running `Command { std: "docker" "start" "-a" "fe96c83d6b35c86bdeb321678b6deb30c18b552407e2c000d1f1ec41169a214d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling virtual-buffer v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/lib.rs:923:14
[INFO] [stdout]     |
[INFO] [stdout] 923 |     unsafe { mem::transmute::<usize, *mut u8>(addr) }
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 923 -     unsafe { mem::transmute::<usize, *mut u8>(addr) }
[INFO] [stdout] 923 +     unsafe { std::ptr::with_exposed_provenance_mut::<u8>(addr) }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "fe96c83d6b35c86bdeb321678b6deb30c18b552407e2c000d1f1ec41169a214d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe96c83d6b35c86bdeb321678b6deb30c18b552407e2c000d1f1ec41169a214d", kill_on_drop: false }`
[INFO] [stdout] fe96c83d6b35c86bdeb321678b6deb30c18b552407e2c000d1f1ec41169a214d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b1bb63322b3b019bac6b1a7733fed14697b955870c56c8ed9ece4d3dfd0756f
[INFO] running `Command { std: "docker" "start" "-a" "1b1bb63322b3b019bac6b1a7733fed14697b955870c56c8ed9ece4d3dfd0756f", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtual-buffer v1.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/lib.rs:923:14
[INFO] [stdout]     |
[INFO] [stdout] 923 |     unsafe { mem::transmute::<usize, *mut u8>(addr) }
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 923 -     unsafe { mem::transmute::<usize, *mut u8>(addr) }
[INFO] [stdout] 923 +     unsafe { std::ptr::with_exposed_provenance_mut::<u8>(addr) }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stdout]    --> src/lib.rs:923:14
[INFO] [stdout]     |
[INFO] [stdout] 923 |     unsafe { mem::transmute::<usize, *mut u8>(addr) }
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stdout]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stdout]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stdout]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stdout]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stdout]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stdout] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stdout]     |
[INFO] [stdout] 923 -     unsafe { mem::transmute::<usize, *mut u8>(addr) }
[INFO] [stdout] 923 +     unsafe { std::ptr::with_exposed_provenance_mut::<u8>(addr) }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "1b1bb63322b3b019bac6b1a7733fed14697b955870c56c8ed9ece4d3dfd0756f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1bb63322b3b019bac6b1a7733fed14697b955870c56c8ed9ece4d3dfd0756f", kill_on_drop: false }`
[INFO] [stdout] 1b1bb63322b3b019bac6b1a7733fed14697b955870c56c8ed9ece4d3dfd0756f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02bf8cbda3fe04c28ca7bc358f728ede1936de991f4616868ac13d7ca9f1452e
[INFO] running `Command { std: "docker" "start" "-a" "02bf8cbda3fe04c28ca7bc358f728ede1936de991f4616868ac13d7ca9f1452e", kill_on_drop: false }`
[INFO] [stderr] warning: transmuting an integer to a pointer creates a pointer without provenance
[INFO] [stderr]    --> src/lib.rs:923:14
[INFO] [stderr]     |
[INFO] [stderr] 923 |     unsafe { mem::transmute::<usize, *mut u8>(addr) }
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is dangerous because dereferencing the resulting pointer is undefined behavior
[INFO] [stderr]     = note: exposed provenance semantics can be used to create a pointer based on some previously exposed provenance
[INFO] [stderr]     = help: if you truly mean to create a pointer without provenance, use `std::ptr::without_provenance_mut`
[INFO] [stderr]     = help: for more information about transmute, see <https://doc.rust-lang.org/std/mem/fn.transmute.html#transmutation-between-pointers-and-integers>
[INFO] [stderr]     = help: for more information about exposed provenance, see <https://doc.rust-lang.org/std/ptr/index.html#exposed-provenance>
[INFO] [stderr]     = note: `#[warn(integer_to_ptr_transmutes)]` on by default
[INFO] [stderr] help: use `std::ptr::with_exposed_provenance_mut` instead to use a previously exposed provenance
[INFO] [stderr]     |
[INFO] [stderr] 923 -     unsafe { mem::transmute::<usize, *mut u8>(addr) }
[INFO] [stderr] 923 +     unsafe { std::ptr::with_exposed_provenance_mut::<u8>(addr) }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `virtual-buffer` (lib) generated 1 warning (run `cargo fix --lib -p virtual-buffer` to apply 1 suggestion)
[INFO] [stderr] warning: `virtual-buffer` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/virtual_buffer-41bd3597a69b8d23)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/vec.rs (/opt/rustwide/target/debug/deps/vec-6ba509c625d3ce97)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test push_mut_immut ... ok
[INFO] [stdout] test push_stress has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "02bf8cbda3fe04c28ca7bc358f728ede1936de991f4616868ac13d7ca9f1452e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02bf8cbda3fe04c28ca7bc358f728ede1936de991f4616868ac13d7ca9f1452e", kill_on_drop: false }`
[INFO] [stdout] 02bf8cbda3fe04c28ca7bc358f728ede1936de991f4616868ac13d7ca9f1452e
